| article html file updated | 14 August 2026 15:09 CEST | Update | https://www.mdpi.com/1996-1073/10/6/811 |
| article html file updated | 8 February 2020 08:19 CET | Update | N/A |
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| article pdf uploaded. | 16 June 2017 08:11 CEST | Updated version of record | https://www.mdpi.com/1996-1073/10/6/811/pdf |
| article pdf uploaded. | 14 June 2017 14:42 CEST | Version of Record | https://www.mdpi.com/1996-1073/10/6/811/pdf-vor |
